Home / 66,442,933.80-99,664,400.70-62,411,855.40

Finding the Fourth Proportional to 66,442,933.80, 99,664,400.70 and 62,411,855.40

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Solution

The fourth proportional to 66,442,933.80, 99,664,400.70 and 62,411,855.40 is: 93,617,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442,933.80 : 99,664,400.70 = 62,411,855.40 : x
  2. Step 2: Convert to fraction form
    66,442,933.80/99,664,400.70 = 62,411,855.40/x
  3. Step 3: Cross multiply
    66,442,933.80x = 99,664,400.70 × 62,411,855.40
  4. Step 4: Simplify right side
    66,442,933.80x = 6,220,240,165,016,059
  5. Step 5: Solve for x
    x = 6,220,240,165,016,059/66,442,933.80
  6. Step 6: Final answer
    x = 93,617,783.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.